Home / 70,579.60-97,399.44-38,314.86

Finding the Fourth Proportional to 70,579.60, 97,399.44 and 38,314.86

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Solution

The fourth proportional to 70,579.60, 97,399.44 and 38,314.86 is: 52,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579.60 : 97,399.44 = 38,314.86 : x
  2. Step 2: Convert to fraction form
    70,579.60/97,399.44 = 38,314.86/x
  3. Step 3: Cross multiply
    70,579.60x = 97,399.44 × 38,314.86
  4. Step 4: Simplify right side
    70,579.60x = 3,731,845,907.68
  5. Step 5: Solve for x
    x = 3,731,845,907.68/70,579.60
  6. Step 6: Final answer
    x = 52,874.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.